Cheap Flights to St Mary , MO

Popular airlines to St Mary

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save on select hotels after you book a flight*
  • trophy illustration

    Find the right fit

    We search billions of combinations of flights to help you find your next adventure

Frequently asked questions

How do I find cheap flights to St Mary that have flexible change policies?
We understand that things can change from one minute to the next, so booking a flexible ticket with Expedia is always a wise idea. Simply mark the "No change fee" box underneath the "Flexible change policies" filter. Your low-priced, flexible flight to St Mary is just a few clicks away.
Which airlines fly to St Mary?
When it's time to take a break, these popular carriers will make your journey to St Mary nice and easy:

  • American Airlines - 927 flights to or near St Mary each month, including 927 flights to Lambert-St. Louis Intl. Airport (STL) per month.
  • United Airlines - 524 flights to or near St Mary each month, including 524 flights to Lambert-St. Louis Intl. Airport (STL) per month.

How can I find cheap tickets to St Mary?
In the last seven days, was the lowest price for a flight to St Mary. If you're eager to save even more, book ahead of time and be flexible with your dates. Search for your flight to St Mary, then check out prices for nearby days by clicking on our "flexible dates" link.
How much is a flight to St Mary?
One-way flights leaving () sold for as little as in the last seven days. During this time, the cost of a return airfare to St Mary varied between and . If you find a bargain ticket, grab it quickly — these prices don't hang around for long.
What are the most popular airports to fly into in St Mary?
St Mary's principal airport is Lambert-St. Louis Intl. Airport (STL). Get your next awesome journey underway by securing a ticket on one of the 5,604 flights every month to this destination.
When is the cheapest time to fly to St Mary?
Jetting off on a Tuesday, followed by a Monday, is generally the best way to pick up the cheapest fare. Stay away from the weekends if you can, because Saturday is typically the most expensive day. Spend the funds you saved having a good time in St Mary instead!
How much is a plane ticket to St Mary?
In the last seven days, flights to St Mary ranged from to .
What months are the cheapest to book a flight to St Mary?
February is an excellent month to get your hands on an impressive deal to St Mary. Be aware that the most expensive time to reserve a seat in the USA isn't during the peak of summer, but the month of December.
How long is a flight to St Mary?
It depends on where you travel from. These leading domestic routes and their average flight times will give you a better picture of how long it'll take you to reach St Mary:

  • Denver, CO (DEN-Denver Intl.) to Lambert-St. Louis Intl. Airport (STL) - 2 hours and 1 minute
  • Chicago, IL (ORD-O'Hare Intl.) to Lambert-St. Louis Intl. Airport (STL) - 1 hour and 24 minutes
  • New York, NY (LGA-LaGuardia) to Lambert-St. Louis Intl. Airport (STL) - 2 hours and 51 minutes

Book with confidence

Find Your Flights to St Mary null

Cheap flights to St Mary (null)

Get started finding a cheap flight to St Mary on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

We recommend using the ‘Flexible Dates’ calendar at the top of the page to see the price of plane tickets on the surrounding dates. This allows you to pick the cheapest days to fly if your trip allows flexibility and score cheap flight deals to St Mary.

Roundtrip prices range from - , and one-ways to St Mary start as low as .

Be aware that choosing a non-stop flight can sometimes be more expensive while saving you time. And routes with connections may be available at a cheaper rate.

Airlines that fly to St Mary (null)

You have several options for which airline you choose to travel with to St Mary. There are airlines flying into null: . 

Cheap plane tickets may be available from different airlines at different times and with unique terms. It’s best to understand the details of each airline’s offer before judging its value.

For example, if you plan to check a bag or bring a carry-on, check whether the cheap airfare deal includes a baggage allowance. If not, verify whether the baggage fee is higher than the difference of other airline plane ticket deals offering free checked/carry-on baggage in exchange for a slightly higher airfare. 

Find the best deals

At Expedia, we source many flight deals from multiple providers, so you can easily find the best deals that are right for you. A great strategy for getting the best deals can be to make sure you book and travel at the optimal times. Airfare to St Mary (null) varies throughout the year based on seasonal demand. You’ll see the lowest rates for roundtrips to null in and in for one-ways.

Cancellation & flexibility

To change or cancel eligible flights, go to ‘My Trips’ and navigate to your itinerary. If you booked within the last 24-hours, you might be able to cancel your flight for free. Learn more about flight changes or cancellations from our customer service portal. Some plane tickets are available with no change fees, which you can filter for during your search.

 

Find Your Flights to St Mary null

Travel information

Destination airport
St Mary

Explore a world of travel with Expedia